🍺 BrewScience
Free Homebrew Recipe Builder & Beer Calculator
Design beer recipes with pro-grade accuracy — OG, ABV, IBU and SRM validated against 82 real recipes. Water chemistry, BJCP style checks, brew-day planning and BeerXML import. Free — unlimited recipes for a one-time $4.99, no subscription.
- Accurate OG / FG / ABV / IBU / SRM — validated against 82 published recipes
- Per-addition hop alpha, water chemistry & BJCP style checking
- Brew-day planner, fermentation & batch tracking, carbonation calculator
- BeerXML import/export — bring recipes from BeerSmith or Brewfather
- Pay once ($4.99) for unlimited recipes — no subscription
Browse free beer clone recipes — Pliny the Elder, Two Hearted, Guinness, Westvleteren 12 and more.
Read our homebrewing guides — why your beer isn’t fermenting, is it infected, carbonation, off-flavors, fermentation temperature and recipe design.